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  • Title: Fungi in spices and mycotoxigenic potential of some Aspergilli isolated.
    Author: Garcia MV, Parussolo G, Moro CB, Bernardi AO, Copetti MV.
    Journal: Food Microbiol; 2018 Aug; 73():93-98. PubMed ID: 29526231.
    Abstract:
    The aim of this study was to identify fungal species present in 200 samples of rosemary, fennel, cinnamon, clove, pepperoni, black and white pepper and oregano and evaluate the mycotoxigenic potential of the some Aspergilli isolated. Clove, black and white peppers were analyzed by direct plating. For rosemary, cinnamon, fennel, pepperoni pepper and oregano samples were used spread plate. Mycotoxigenic capacity was verified by the agar plug method. With the exception of clove, all the spices showed high fungal contamination, especially by Aspergillus sp., Penicillium sp. and Cladosporium sp. Frequency of toxigenic Aspergillus spp. was intense in white and black peppers, with presence of Aspergillus flavus (up to 32%), Aspergillus nomius (up to 12%), Aspergillus parasiticus (up to 4%), Aspergillus niger complex (up to 52%), Aspergillus ochraceus (up 12%) and Aspergillus carbonarius (up to 4%). 14,2% of A. flavus isolated from black pepper were aflatoxins producers. In the white pepper, 66.7% of A. flavus isolates and 100% of A. nomius were aflatoxigenic. Oregano showed the highest number of A. niger complex isolates (49), however, only 2.04% produced ochratoxin A. This study showed a huge fungal presence in spices, which could compromise the sensorial quality of these products and represent a hazard for consumers.
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